The retaliation is being "discussed at the highest levels," the source said.

Iran says intelligence documents taken from Israel better prepare it to respond to any potential Israeli air strikes.

The Israeli Strike Is Reportedly Being Prepared Without U.S. Support, While Iran Is Said to Be Planning a Retaliatory Barrage of Hundreds of Ballistic Missiles Targeting Israel

Iran is conducting more military exercises and building a third enrichment facility in response to the latest pressure.

Israeli Prime Minister Benjamin Netanyahu has thanked President Donald Trump for his support while celebrating strikes on Iran which 'took out top Revolutionary Guard generals.'

The retaliation is being "discussed at the highest levels," the source said.

Israeli Prime Minister Benjamin Netanyahu has thanked President Donald Trump for his support while celebrating strikes on Iran which 'took out top Revolutionary Guard generals.'

Iranian Supreme Leader Ali Khamenei has warned that Israel faces a ‘bitter and painful’ fate following the attack.

Iran’s Supreme Leader Ayatollah Ali Khamenei has warned Israel that it ‘must expect severe punishment’.

Iran vowed to respond 'harshly' to Israel 's strikes on Tehran's nuclear facilities, which have taken out top Revolutionary Guard generals and nuclear scientists.

Iran’s Supreme Leader Ali Khamenei says Tehran’s response to Israel’s attack will not not be ‘half measured’.

Iran vowed to respond 'harshly' to Israel's strikes on Tehran's nuclear facilities, which have taken out top Revolutionary Guard generals and nuclear scientists.